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Energy were not computed correctly for parallel tasks.
[simgrid.git] / src / surf / cpu_interface.cpp
index 4be4445..ccdad63 100644 (file)
@@ -7,6 +7,7 @@
 #include <xbt/dynar.h>
 #include "cpu_interface.hpp"
 #include "plugins/energy.hpp"
+#include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
 
 XBT_LOG_EXTERNAL_CATEGORY(surf_kernel);
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu, surf,
@@ -25,10 +26,15 @@ namespace surf {
  * Callbacks *
  *************/
 
-Cpu *getActionCpu(CpuAction *action) {
-  return static_cast<Cpu*>(lmm_constraint_id(lmm_get_cnst_from_var
-                                        (action->getModel()->getMaxminSystem(),
-                                        action->getVariable(), 0)));
+std::list<Cpu*> getActionCpus(CpuAction *action) {
+  std::list<Cpu*> retlist;
+  lmm_system_t sys = action->getModel()->getMaxminSystem();
+  int llen = lmm_get_number_of_cnst_from_var(sys, action->getVariable());
+
+  for(int i = 0; i<llen; i++) {
+    retlist.push_back( (Cpu*)(lmm_constraint_id( lmm_get_cnst_from_var(sys, action->getVariable(), i) )) );
+  }
+  return retlist;
 }
 
 simgrid::xbt::signal<void(CpuAction*, e_surf_action_state_t, e_surf_action_state_t)> cpuActionStateChangedCallbacks;
@@ -90,7 +96,7 @@ void CpuModel::updateActionsStateFull(double now, double delta)
 
   for(ActionList::iterator it(running_actions->begin()), itNext=it, itend(running_actions->end())
      ; it != itend ; it=itNext) {
-       ++itNext;
+  ++itNext;
     action = static_cast<CpuAction*>(&*it);
     if (TRACE_is_enabled()) {
       Cpu *x = static_cast<Cpu*> (lmm_constraint_id(lmm_get_cnst_from_var(getMaxminSystem(), action->getVariable(), 0)) );
@@ -128,49 +134,43 @@ void CpuModel::updateActionsStateFull(double now, double delta)
  * Resource *
  ************/
 Cpu::Cpu(Model *model, simgrid::s4u::Host *host,
-            xbt_dynar_t speedPeakList, int pstate,
-                int core, double speedPeak, double speedScale,
-                int initiallyOn)
- : Cpu(model, host, NULL/*constraint*/, speedPeakList, pstate, core, speedPeak, speedScale, initiallyOn)
+    xbt_dynar_t speedPeakList, int core, double speedPeak)
+ : Cpu(model, host, NULL/*constraint*/, speedPeakList, core, speedPeak)
 {
 }
 
 Cpu::Cpu(Model *model, simgrid::s4u::Host *host, lmm_constraint_t constraint,
-             xbt_dynar_t speedPeakList, int pstate,
-                 int core, double speedPeak,
-        double speedScale, int initiallyOn)
- : Resource(model, host->name().c_str(), constraint, initiallyOn)
- , m_core(core)
- , m_speedPeak(speedPeak)
- , m_speedScale(speedScale)
- , m_host(host)
+    xbt_dynar_t speedPeakList, int core, double speedPeak)
+ : Resource(model, host->name().c_str(), constraint)
+ , coresAmount_(core)
+ , host_(host)
 {
+  speed_.peak = speedPeak;
+  speed_.scale = 1;
   host->pimpl_cpu = this;
-  xbt_assert(m_speedScale > 0, "Available speed has to be >0");
+  xbt_assert(speed_.scale > 0, "Available speed has to be >0");
 
   // Copy the power peak array:
-  p_speedPeakList = xbt_dynar_new(sizeof(double), nullptr);
+  speedPeakList_ = xbt_dynar_new(sizeof(double), nullptr);
   unsigned long n = xbt_dynar_length(speedPeakList);
   for (unsigned long i = 0; i != n; ++i) {
     double value = xbt_dynar_get_as(speedPeakList, i, double);
-    xbt_dynar_push(p_speedPeakList, &value);
+    xbt_dynar_push(speedPeakList_, &value);
   }
 
-  m_pstate = pstate;
-
   /* Currently, we assume that a VM does not have a multicore CPU. */
   if (core > 1)
     xbt_assert(model == surf_cpu_model_pm);
 
   if (model->getUpdateMechanism() != UM_UNDEFINED) {
-       p_constraintCore = xbt_new(lmm_constraint_t, core);
-       p_constraintCoreId = xbt_new(void*, core);
+  p_constraintCore = xbt_new(lmm_constraint_t, core);
+  p_constraintCoreId = xbt_new(void*, core);
 
     int i;
     for (i = 0; i < core; i++) {
       /* just for a unique id, never used as a string. */
       p_constraintCoreId[i] = bprintf("%s:%i", host->name().c_str(), i);
-      p_constraintCore[i] = lmm_constraint_new(model->getMaxminSystem(), p_constraintCoreId[i], m_speedScale * m_speedPeak);
+      p_constraintCore[i] = lmm_constraint_new(model->getMaxminSystem(), p_constraintCoreId[i], speed_.scale * speed_.peak);
     }
   }
 }
@@ -178,46 +178,48 @@ Cpu::Cpu(Model *model, simgrid::s4u::Host *host, lmm_constraint_t constraint,
 Cpu::~Cpu()
 {
   if (p_constraintCoreId){
-    for (int i = 0; i < m_core; i++) {
-         xbt_free(p_constraintCoreId[i]);
+    for (int i = 0; i < coresAmount_; i++) {
+    xbt_free(p_constraintCoreId[i]);
     }
     xbt_free(p_constraintCore);
   }
   if (p_constraintCoreId)
     xbt_free(p_constraintCoreId);
+  if (speedPeakList_)
+    xbt_dynar_free(&speedPeakList_);
 }
 
 double Cpu::getCurrentPowerPeak()
 {
-  return m_speedPeak;
+  return speed_.peak;
 }
 
 int Cpu::getNbPStates()
 {
-  return xbt_dynar_length(p_speedPeakList);
+  return xbt_dynar_length(speedPeakList_);
 }
 
 void Cpu::setPState(int pstate_index)
 {
-  xbt_dynar_t plist = p_speedPeakList;
+  xbt_dynar_t plist = speedPeakList_;
   xbt_assert(pstate_index <= (int)xbt_dynar_length(plist),
-                 "Invalid parameters for CPU %s (pstate %d > length of pstates %d)", getName(), pstate_index, (int)xbt_dynar_length(plist));
+      "Invalid parameters for CPU %s (pstate %d > length of pstates %d)", getName(), pstate_index, (int)xbt_dynar_length(plist));
 
   double new_peak_speed = xbt_dynar_get_as(plist, pstate_index, double);
-  m_pstate = pstate_index;
-  m_speedPeak = new_peak_speed;
+  pstate_ = pstate_index;
+  speed_.peak = new_peak_speed;
 
   onSpeedChange();
 }
 
 int Cpu::getPState()
 {
-  return m_pstate;
+  return pstate_;
 }
 
 double Cpu::getPowerPeakAt(int pstate_index)
 {
-  xbt_dynar_t plist = p_speedPeakList;
+  xbt_dynar_t plist = speedPeakList_;
   xbt_assert((pstate_index <= (int)xbt_dynar_length(plist)), "Invalid parameters (pstate index out of bounds)");
 
   return xbt_dynar_get_as(plist, pstate_index, double);
@@ -225,26 +227,40 @@ double Cpu::getPowerPeakAt(int pstate_index)
 
 double Cpu::getSpeed(double load)
 {
-  return load * m_speedPeak;
+  return load * speed_.peak;
 }
 
 double Cpu::getAvailableSpeed()
 {
 /* number between 0 and 1 */
-  return m_speedScale;
+  return speed_.scale;
 }
 
 void Cpu::onSpeedChange() {
-       TRACE_surf_host_set_speed(surf_get_clock(), getName(),
-                       m_core * m_speedScale * m_speedPeak);
+  TRACE_surf_host_set_speed(surf_get_clock(), getName(),
+      coresAmount_ * speed_.scale * speed_.peak);
 }
 
 
 int Cpu::getCore()
 {
-  return m_core;
+  return coresAmount_;
 }
 
+void Cpu::setStateTrace(tmgr_trace_t trace)
+{
+  xbt_assert(stateEvent_==NULL,"Cannot set a second state trace to Host %s", host_->name().c_str());
+
+  stateEvent_ = future_evt_set->add_trace(trace, 0.0, this);
+}
+void Cpu::setSpeedTrace(tmgr_trace_t trace)
+{
+  xbt_assert(speed_.event==NULL,"Cannot set a second speed trace to Host %s", host_->name().c_str());
+
+  speed_.event = future_evt_set->add_trace(trace, 0.0, this);
+}
+
+
 /**********
  * Action *
  **********/
@@ -306,7 +322,7 @@ void CpuAction::setAffinity(Cpu *cpu, unsigned long mask)
     unsigned long nbits = 0;
 
     /* FIXME: There is much faster algorithms doing this. */
-    for (int i = 0; i < cpu->m_core; i++) {
+    for (int i = 0; i < cpu->coresAmount_; i++) {
       unsigned long has_affinity = (1UL << i) & mask;
       if (has_affinity)
         nbits += 1;
@@ -319,7 +335,7 @@ void CpuAction::setAffinity(Cpu *cpu, unsigned long mask)
     }
   }
 
-  for (int i = 0; i < cpu->m_core; i++) {
+  for (int i = 0; i < cpu->coresAmount_; i++) {
     XBT_DEBUG("clear affinity %p to cpu-%d@%s", this, i,  cpu->getName());
     lmm_shrink(cpu->getModel()->getMaxminSystem(), cpu->p_constraintCore[i], var_obj);
 
@@ -345,12 +361,12 @@ void CpuAction::setAffinity(Cpu *cpu, unsigned long mask)
   XBT_OUT();
 }
 
-simgrid::xbt::signal<void(simgrid::surf::CpuAction*, e_surf_action_state_t, e_surf_action_state_t)> CpuAction::onStateChange;
+simgrid::xbt::signal<void(simgrid::surf::CpuAction*, e_surf_action_state_t)> CpuAction::onStateChange;
 
 void CpuAction::setState(e_surf_action_state_t state){
-  e_surf_action_state_t old = getState();
+  e_surf_action_state_t previous = getState();
   Action::setState(state);
-  onStateChange(this, old, state);
+  onStateChange(this, previous);
 }
 
 }